r149458 - in /trunk/gcc: ChangeLog c-common.c c...

[manu@gcc.gnu.org]

Author: manu
Date: Fri Jul 10 07:27:32 2009
New Revision: 149458

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149458
Log:
2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 25509
	PR 40614
	* c.opt (Wunused-result): New.
	* doc/invoke.texi: Document it.
	* c-common.c (c_warn_unused_result): Use it.
testsuite/
	* g++.dg/warn/unused-result1-Werror.c: New.

Added:
    trunk/gcc/testsuite/g++.dg/warn/unused-result1-Werror.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-common.c
    trunk/gcc/c.opt
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog